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DIN 17440 Grade X15Cr13: Quenched & Tempered Steel for High-Performance Applications

Properties: - good resistance to water and steam - application in quenched and tempered state with fine grounded or polished surface Application: - for turbine blade, axis, bolts, valves, plunger, surgical instruments

Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.7 - 7.71 g/cm³

Mechanical

PropertyTemperatureValueComment

Elastic modulus

20.0 °C

216 - 222 GPa

100.0 °C

213 - 216 GPa

200.0 °C

207 - 209 GPa

300.0 °C

200 - 201 GPa

400.0 °C

192 GPa

500.0 °C

183 GPa

600.0 °C

174 GPa

Elongation

20.0 °C

14 - 15 %

Elongation, transverse

20.0 °C

11 %

Poisson's ratio

23.0 °C

0.3 [-]

Typical for Martensitic Stainless Steel

Shear modulus

23.0 °C

77 GPa

Typical for Martensitic Stainless Steel

Tensile strength

20.0 °C

650 - 800 MPa

Tensile strength, transverse

20.0 °C

650 - 800 MPa

Yield strength Rp0.2

20.0 °C

450 MPa

50.0 °C

430 MPa

100.0 °C

420 MPa

150.0 °C

410 MPa

200.0 °C

400 MPa

250.0 °C

382 MPa

300.0 °C

365 MPa

350.0 °C

335 MPa

400.0 °C

305 MPa

Yield strength Rp0.2, transverse

20.0 °C

450 MPa

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

20.0 °C

1.02E-5 1/K

100.0 °C

1.05E-5 1/K

200.0 °C

1.09E-5 - 1.1E-5 1/K

300.0 °C

1.13E-5 - 1.15E-5 1/K

400.0 °C

1.16E-5 - 1.2E-5 1/K

500.0 °C

1.2E-5 1/K

600.0 °C

1.22E-5 1/K

Melting point

1370 - 1530 °C

Typical for Martensitic Stainless Steel

Specific heat capacity

20.0 °C

439 - 460 J/(kg·K)

100.0 °C

474 J/(kg·K)

200.0 °C

498 J/(kg·K)

300.0 °C

517 J/(kg·K)

400.0 °C

538 J/(kg·K)

500.0 °C

564 J/(kg·K)

600.0 °C

598 J/(kg·K)

Thermal conductivity

20.0 °C

24.6 - 30 W/(m·K)

100.0 °C

24.7 W/(m·K)

200.0 °C

25 W/(m·K)

300.0 °C

25.2 W/(m·K)

400.0 °C

25.5 W/(m·K)

500.0 °C

25.8 W/(m·K)

600.0 °C

26 W/(m·K)

Thermal diffusivity

20.0 °C

7.3 mm²/s

100.0 °C

6.4 mm²/s

200.0 °C

6.1 mm²/s

300.0 °C

5.8 mm²/s

400.0 °C

5.4 mm²/s

500.0 °C

4.8 mm²/s

600.0 °C

4.1 mm²/s

Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

5.87E-7 - 6E-7 Ω·m

100.0 °C

6.55E-7 Ω·m

200.0 °C

7.38E-7 Ω·m

300.0 °C

8.19E-7 Ω·m

400.0 °C

8.96E-7 Ω·m

500.0 °C

9.7E-7 Ω·m

600.0 °C

1.04E-6 Ω·m

Chemical properties

PropertyValue

Carbon

0.12 - 0.17 %

Chromium

12 - 14 %

Manganese

1 %

Phosphorus

0.05 %

Silicon

1 %

Sulfur

0.03 %


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